Grey Ironbark 

queensland forest map grey ironbark queensland timber species

Find out more about Grey Ironbark

The botanical name for Grey Ironbark is Eucalyptus paniculata. It is commonly referred to as Grey Ironbark or White Ironbark. Grown in coastal locations from Bundaberg and south therof, it is the most commercially available of the Ironbarks. Grey Ironbark is a hardwood species.

grey ironbark native hardwood species colour

What does Grey Ironbark look like?

The colour of Grey Ironbark timber will vary regionally, but is typicall a reddish to dark brown. It's name is derived instead from its almost white, to light grey sapwood. The grain is straight and moderately course.


What is Grey Ironbark used for?

Common applications for Grey Ironbark include:

  • In-ground framing
  • Above ground framing (exposed and protected)
  • Internal flooring
  • External applications - cladding, retaining walls
  • Joinery
  • Mouldings
  • Wharfs & bridges
timber merchant brisbane grey ironbark species

Where can I purchase Grey Ironbark?

Grey Ironbark is readily available at all Queensland Timber Merchant Network members, most commonly in larger sized members. Search for your local supplier via the Accredited Queensland Timber Merchant postcode search tool.


Where can I find more information about the use and application of Grey Ironbark?

For more detailed information than the Grey Ironbark property table below, visit WoodSolutions or download 'Construction timbers in Queensland' which describes the properties of timbers used in the construction of Class 1 to Class 10 buildings (e.g. houses, carports, garages, greenhouses and sheds) in Queensland, as well as other purposes such as furniture, landscaping and outdoor structures (e.g. playgrounds, fences).

grey ironbark native hardwood species flooring

By Poyt448 Peter Woodard (Own work) [CC0], via Wikimedia Commons

What are the properties of Grey Ironbark?

Termite resistance

Termite and lyctid borer resistant


This is the measure of the percentage reduction from the unseasoned to 12% moisture content condition.



Mass divided by volume, expressed in kg/m3 when describing timber

Very High Density


High Toughness

Bushfire resistance

Not bushfire resistant


The strength of Australian timber is described in terms of "stress grades". Stress Grading is a way of classifying timber, either visually or by mechanical means to indicate the basic properties to be used for structural design purposes. The stress grade is designated in a form such as "F17", which indicates the relative bending capacity of the timber.

F17 – F27

About Us

The Accredited Queensland Timber Merchant Network (AQTMN) is a group of Queensland owned and operated businesses with the aim of growing Queensland's forest and timber industry.

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